[INFO] cloning repository https://github.com/BearGuy/saito
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BearGuy/saito" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearGuy%2Fsaito", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearGuy%2Fsaito'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a6c6a07f56febff68aba9698ee92de00d07352a
[INFO] checking BearGuy/saito against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearGuy%2Fsaito" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BearGuy/saito on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BearGuy/saito
[INFO] finished tweaking git repo https://github.com/BearGuy/saito
[INFO] tweaked toml for git repo https://github.com/BearGuy/saito written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/BearGuy/saito already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded merkle v1.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 047db199ca11f83e4efd8796b11fd7c0a0e53c3e325f16a42bac7baf4fff5b06
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "047db199ca11f83e4efd8796b11fd7c0a0e53c3e325f16a42bac7baf4fff5b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "047db199ca11f83e4efd8796b11fd7c0a0e53c3e325f16a42bac7baf4fff5b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047db199ca11f83e4efd8796b11fd7c0a0e53c3e325f16a42bac7baf4fff5b06", kill_on_drop: false }`
[INFO] [stdout] 047db199ca11f83e4efd8796b11fd7c0a0e53c3e325f16a42bac7baf4fff5b06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f3ba8ba9da780563c6929935e197a9d7cf019bc354d5634ba81351623458d62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1f3ba8ba9da780563c6929935e197a9d7cf019bc354d5634ba81351623458d62", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling merkle v1.10.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking arrayvec v0.4.11
[INFO] [stderr]     Checking textwrap v0.11.0
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[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]     Checking bstr v0.2.4
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_bytes v0.11.1
[INFO] [stderr]     Checking saito-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stdout] warning: unused variable: `secret_key`
[INFO] [stdout]     --> src/lib.rs:1137:10
[INFO] [stdout]      |
[INFO] [stdout] 1137 |     let (secret_key, public_key) = generate_keys();
[INFO] [stdout]      |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_key`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/lib.rs:1140:10
[INFO] [stdout]      |
[INFO] [stdout] 1140 |      for x in 0..10 {
[INFO] [stdout]      |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]     --> src/lib.rs:1150:9
[INFO] [stdout]      |
[INFO] [stdout] 1150 |     for block in blocks.iter() {
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]     --> src/lib.rs:1155:13
[INFO] [stdout]      |
[INFO] [stdout] 1155 |         let mut f = BufWriter::new(File::create(filename).unwrap());
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]     --> src/lib.rs:1174:17
[INFO] [stdout]      |
[INFO] [stdout] 1174 |             let decoded: Block = bincode::deserialize(&encoded[..]).unwrap();
[INFO] [stdout]      |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]     --> src/lib.rs:1195:9
[INFO] [stdout]      |
[INFO] [stdout] 1195 |     let decoded: Block = bincode::deserialize(&encoded[..]).unwrap();
[INFO] [stdout]      |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `golden_tx_solution`
[INFO] [stdout]    --> src/lib.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let golden_tx_solution = self.calculate_solution(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_golden_tx_solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `golden_tx`
[INFO] [stdout]    --> src/lib.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |             let mut golden_tx = wallet.create_transaction(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_golden_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vote`
[INFO] [stdout]    --> src/lib.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let mut vote: u8 = 0;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_solution`
[INFO] [stdout]    --> src/lib.rs:234:27
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn find_winner(&self, random_solution: &[u8], previous_block: &Block) -> PublicKey {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |             let mut golden_tx = wallet.create_transaction(
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let mut vote: u8 = 0;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:248:12
[INFO] [stdout]     |
[INFO] [stdout] 248 |        let mut winning_tx = self.find_winning_transaction(previous_block);
[INFO] [stdout]     |            ----^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1155:13
[INFO] [stdout]      |
[INFO] [stdout] 1155 |         let mut f = BufWriter::new(File::create(filename).unwrap());
[INFO] [stdout]      |             ----^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_difficulty`
[INFO] [stdout]    --> src/lib.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 321 |     fn calculate_difficulty (&self, previous_block: &Block) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_paysplit`
[INFO] [stdout]    --> src/lib.rs:328:8
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn calculate_paysplit (&self, previous_block: &Block) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_to_amount`
[INFO] [stdout]    --> src/lib.rs:436:8
[INFO] [stdout]     |
[INFO] [stdout] 436 |     fn calculate_to_amount(&self) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_block`
[INFO] [stdout]     --> src/lib.rs:1136:4
[INFO] [stdout]      |
[INFO] [stdout] 1136 | fn create_block() -> Block {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_blocks`
[INFO] [stdout]     --> src/lib.rs:1149:4
[INFO] [stdout]      |
[INFO] [stdout] 1149 | fn write_blocks(blocks: &Vec<Block>) {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_blocks`
[INFO] [stdout]     --> src/lib.rs:1164:4
[INFO] [stdout]      |
[INFO] [stdout] 1164 | fn read_blocks() -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize_and_deserialize`
[INFO] [stdout]     --> src/lib.rs:1183:4
[INFO] [stdout]      |
[INFO] [stdout] 1183 | fn serialize_and_deserialize(block: &Block) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:879:9
[INFO] [stdout]     |
[INFO] [stdout] 879 |         f.write_all(&encode[..]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/lib.rs:1003:9
[INFO] [stdout]      |
[INFO] [stdout] 1003 |         f.write_all(&encode[..]);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/lib.rs:1187:5
[INFO] [stdout]      |
[INFO] [stdout] 1187 |     f.write_all(&encode[..]);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stdout] warning: unused import: `create_merkle_root`
[INFO] [stdout]  --> src/main.rs:1:65
[INFO] [stdout]   |
[INFO] [stdout] 1 | use saito::{Mempool, Blockchain, BurnFee, Wallet, Miner, Block, create_merkle_root};
[INFO] [stdout]   |                                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell`, `RefMut`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::{RefCell, RefMut};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]  --> src/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut mempool = Mempool::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stdout] warning: unused import: `create_merkle_root`
[INFO] [stdout]  --> src/main.rs:1:65
[INFO] [stdout]   |
[INFO] [stdout] 1 | use saito::{Mempool, Blockchain, BurnFee, Wallet, Miner, Block, create_merkle_root};
[INFO] [stdout]   |                                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell`, `RefMut`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::{RefCell, RefMut};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]  --> src/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut mempool = Mempool::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> benches/saito_benchmark.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::{SystemTime, UNIX_EPOCH, Duration};
[INFO] [stdout]   |                                         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `deserialize_from`, `serialize_into`
[INFO] [stdout]  --> benches/saito_benchmark.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use bincode::{serialize_into, deserialize_from};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `BufWriter`
[INFO] [stdout]   --> benches/saito_benchmark.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{BufWriter, BufReader, Read};
[INFO] [stdout]    |               ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> benches/saito_benchmark.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]   --> benches/saito_benchmark.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::sync::{Mutex, Arc};
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]   --> benches/saito_benchmark.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::sync::mpsc::{Sender, Receiver};
[INFO] [stdout]    |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> benches/saito_benchmark.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     for x in 0..100 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> benches/saito_benchmark.rs:61:60
[INFO] [stdout]    |
[INFO] [stdout] 61 |     (0..1000000).into_par_iter().for_each_with(sender, |s, x| create_transaction_multi(s.clone()));
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> benches/saito_benchmark.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 73 |             |rng, x| rng.gen()
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]    --> benches/saito_benchmark.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |             let decoded: Block = bincode::deserialize(&encoded[..]).unwrap();
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]    --> benches/saito_benchmark.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let decoded: Block = bincode::deserialize(&encoded[..]).unwrap();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]    --> benches/saito_benchmark.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let decoded: Block = bincode::deserialize(&encoded[..]).unwrap();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]    --> benches/saito_benchmark.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let decoded: Block = bincode::deserialize(&encoded[..]).unwrap();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encoded`
[INFO] [stdout]    --> benches/saito_benchmark.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let encoded: Vec<u8> = bincode::serialize(block).unwrap();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secret_key`
[INFO] [stdout]    --> benches/saito_benchmark.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let (secret_key, public_key) = generate_keys();
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secret_key`
[INFO] [stdout]    --> benches/saito_benchmark.rs:178:10
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let (secret_key, public_key) = generate_keys();
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secret_key`
[INFO] [stdout]    --> benches/saito_benchmark.rs:191:10
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let (secret_key, public_key) = generate_keys();
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secret_key`
[INFO] [stdout]    --> benches/saito_benchmark.rs:232:10
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let (secret_key, public_key) = generate_keys();
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secret_key`
[INFO] [stdout]    --> benches/saito_benchmark.rs:245:10
[INFO] [stdout]     |
[INFO] [stdout] 245 |     let (secret_key, public_key) = generate_keys();
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secret_key`
[INFO] [stdout]    --> benches/saito_benchmark.rs:258:10
[INFO] [stdout]     |
[INFO] [stdout] 258 |     let (secret_key, public_key) = generate_keys();
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secret_key`
[INFO] [stdout]    --> benches/saito_benchmark.rs:271:10
[INFO] [stdout]     |
[INFO] [stdout] 271 |     let (secret_key, public_key) = generate_keys();
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `time_since_unix_epoch`
[INFO] [stdout]   --> benches/saito_benchmark.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn time_since_unix_epoch() -> u128 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_block`
[INFO] [stdout]   --> benches/saito_benchmark.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn create_block(public_key: PublicKey) -> Block {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_blocks`
[INFO] [stdout]   --> benches/saito_benchmark.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn write_blocks(blocks: &Vec<Block>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_blocks`
[INFO] [stdout]    --> benches/saito_benchmark.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn read_blocks() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_block`
[INFO] [stdout]    --> benches/saito_benchmark.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn read_block() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize_and_deserialize_with_file`
[INFO] [stdout]    --> benches/saito_benchmark.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn serialize_and_deserialize_with_file(block: &Block) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize_and_deserialize_in_memory`
[INFO] [stdout]    --> benches/saito_benchmark.rs:150:4
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn serialize_and_deserialize_in_memory(block: &Block) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize_in_memory`
[INFO] [stdout]    --> benches/saito_benchmark.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn serialize_in_memory(block: &Block) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_block_benchmark`
[INFO] [stdout]    --> benches/saito_benchmark.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn create_block_benchmark(c: &mut Criterion) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_block_multi_thread_benchmark`
[INFO] [stdout]    --> benches/saito_benchmark.rs:177:4
[INFO] [stdout]     |
[INFO] [stdout] 177 | fn create_block_multi_thread_benchmark(c: &mut Criterion) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize_blocks_benchmark`
[INFO] [stdout]    --> benches/saito_benchmark.rs:190:4
[INFO] [stdout]     |
[INFO] [stdout] 190 | fn serialize_blocks_benchmark(c: &mut Criterion) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_blocks_benchmark`
[INFO] [stdout]    --> benches/saito_benchmark.rs:208:4
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn deserialize_blocks_benchmark(c: &mut Criterion) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_block_from_disk_benchmark`
[INFO] [stdout]    --> benches/saito_benchmark.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn deserialize_block_from_disk_benchmark(c: &mut Criterion) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize_in_memory_benchmark`
[INFO] [stdout]    --> benches/saito_benchmark.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn serialize_in_memory_benchmark(c: &mut Criterion) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize_deserialize_in_memory_benchmark`
[INFO] [stdout]    --> benches/saito_benchmark.rs:244:4
[INFO] [stdout]     |
[INFO] [stdout] 244 | fn serialize_deserialize_in_memory_benchmark(c: &mut Criterion) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize_deserialize_to_file_benchmark`
[INFO] [stdout]    --> benches/saito_benchmark.rs:257:4
[INFO] [stdout]     |
[INFO] [stdout] 257 | fn serialize_deserialize_to_file_benchmark(c: &mut Criterion) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> benches/saito_benchmark.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         f.write_all(&encode[..]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> benches/saito_benchmark.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     f.write_all(&encode[..]);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]     --> src/lib.rs:1205:9
[INFO] [stdout]      |
[INFO] [stdout] 1205 |     use std::thread;
[INFO] [stdout]      |         ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]     --> src/lib.rs:1206:21
[INFO] [stdout]      |
[INFO] [stdout] 1206 |     use std::sync::{Mutex, Arc};
[INFO] [stdout]      |                     ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super`
[INFO] [stdout]     --> src/lib.rs:1204:9
[INFO] [stdout]      |
[INFO] [stdout] 1204 |     use super::*;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secret_key`
[INFO] [stdout]     --> src/lib.rs:1137:10
[INFO] [stdout]      |
[INFO] [stdout] 1137 |     let (secret_key, public_key) = generate_keys();
[INFO] [stdout]      |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_key`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/lib.rs:1140:10
[INFO] [stdout]      |
[INFO] [stdout] 1140 |      for x in 0..10 {
[INFO] [stdout]      |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]     --> src/lib.rs:1150:9
[INFO] [stdout]      |
[INFO] [stdout] 1150 |     for block in blocks.iter() {
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]     --> src/lib.rs:1155:13
[INFO] [stdout]      |
[INFO] [stdout] 1155 |         let mut f = BufWriter::new(File::create(filename).unwrap());
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]     --> src/lib.rs:1174:17
[INFO] [stdout]      |
[INFO] [stdout] 1174 |             let decoded: Block = bincode::deserialize(&encoded[..]).unwrap();
[INFO] [stdout]      |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]     --> src/lib.rs:1195:9
[INFO] [stdout]      |
[INFO] [stdout] 1195 |     let decoded: Block = bincode::deserialize(&encoded[..]).unwrap();
[INFO] [stdout]      |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `golden_tx_solution`
[INFO] [stdout]    --> src/lib.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let golden_tx_solution = self.calculate_solution(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_golden_tx_solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `golden_tx`
[INFO] [stdout]    --> src/lib.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |             let mut golden_tx = wallet.create_transaction(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_golden_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vote`
[INFO] [stdout]    --> src/lib.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let mut vote: u8 = 0;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_solution`
[INFO] [stdout]    --> src/lib.rs:234:27
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn find_winner(&self, random_solution: &[u8], previous_block: &Block) -> PublicKey {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |             let mut golden_tx = wallet.create_transaction(
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let mut vote: u8 = 0;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:248:12
[INFO] [stdout]     |
[INFO] [stdout] 248 |        let mut winning_tx = self.find_winning_transaction(previous_block);
[INFO] [stdout]     |            ----^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1155:13
[INFO] [stdout]      |
[INFO] [stdout] 1155 |         let mut f = BufWriter::new(File::create(filename).unwrap());
[INFO] [stdout]      |             ----^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_difficulty`
[INFO] [stdout]    --> src/lib.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 321 |     fn calculate_difficulty (&self, previous_block: &Block) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_paysplit`
[INFO] [stdout]    --> src/lib.rs:328:8
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn calculate_paysplit (&self, previous_block: &Block) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_to_amount`
[INFO] [stdout]    --> src/lib.rs:436:8
[INFO] [stdout]     |
[INFO] [stdout] 436 |     fn calculate_to_amount(&self) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_block`
[INFO] [stdout]     --> src/lib.rs:1136:4
[INFO] [stdout]      |
[INFO] [stdout] 1136 | fn create_block() -> Block {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_blocks`
[INFO] [stdout]     --> src/lib.rs:1149:4
[INFO] [stdout]      |
[INFO] [stdout] 1149 | fn write_blocks(blocks: &Vec<Block>) {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_blocks`
[INFO] [stdout]     --> src/lib.rs:1164:4
[INFO] [stdout]      |
[INFO] [stdout] 1164 | fn read_blocks() -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize_and_deserialize`
[INFO] [stdout]     --> src/lib.rs:1183:4
[INFO] [stdout]      |
[INFO] [stdout] 1183 | fn serialize_and_deserialize(block: &Block) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:879:9
[INFO] [stdout]     |
[INFO] [stdout] 879 |         f.write_all(&encode[..]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/lib.rs:1003:9
[INFO] [stdout]      |
[INFO] [stdout] 1003 |         f.write_all(&encode[..]);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/lib.rs:1187:5
[INFO] [stdout]      |
[INFO] [stdout] 1187 |     f.write_all(&encode[..]);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "1f3ba8ba9da780563c6929935e197a9d7cf019bc354d5634ba81351623458d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3ba8ba9da780563c6929935e197a9d7cf019bc354d5634ba81351623458d62", kill_on_drop: false }`
[INFO] [stdout] 1f3ba8ba9da780563c6929935e197a9d7cf019bc354d5634ba81351623458d62
